Smog is made of smoke and fog.
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<span>is the use of Earth's renewable and nonrenewable natural resources in ways that ensure resource availability in the future.</span>
The correct answer is letter.
The US Environmental Protection Agency issues an Air Quality Index. This refers to a daily report of pollution levels within the environment. It is used by government agencies to communicate to the public and forecast the current air pollutants present within the atmosphere for them to be aware of the severe effects it could bring to the health of the masses.
Answer: Ashton is protecting his license
Explanation : Ashton ensures that the liability , the documentation of who possesses evidence at all times, is protected by properly handling and labeling evidence.